native first

2026-09-05 02:20:11 +03:00
parent 219f35cc04
commit 8beccdf101
40 changed files with 3495 additions and 327 deletions
@@ -0,0 +1,51 @@
+import XCTest
+@testable import MastermindPOCCore
+
+final class AudioModelTests: XCTestCase {
+    func testPCMFrameStoresSidecarCompatibleAudioMetadata() {
+        let data = Data([0x00, 0x00, 0xff, 0x7f])
+        let timestamp = Date(timeIntervalSince1970: 42)
+
+        let frame = PCMFrame(
+            source: .microphone,
+            sampleRate: 16_000,
+            channels: 1,
+            pcmS16LE: data,
+            timestamp: timestamp
+        )
+
+        XCTAssertEqual(frame.source, .microphone)
+        XCTAssertEqual(frame.sampleRate, 16_000)
+        XCTAssertEqual(frame.channels, 1)
+        XCTAssertEqual(frame.pcmS16LE, data)
+        XCTAssertEqual(frame.timestamp, timestamp)
+    }
+
+    func testPCM16LEClampsAndEncodesLittleEndianSamples() {
+        let encoded = PCM16LE.encode(samples: [-2.0, -1.0, 0.0, 0.5, 2.0])
+
+        XCTAssertEqual(
+            Array(encoded),
+            [
+                0x00, 0x80,
+                0x00, 0x80,
+                0x00, 0x00,
+                0x00, 0x40,
+                0xff, 0x7f,
+            ]
+        )
+    }
+
+    func testAudioStatsCountMicrophoneAndSystemFramesSeparately() {
+        var stats = AudioPipelineStats()
+
+        stats.recordFrame(source: .microphone, byteCount: 320)
+        stats.recordFrame(source: .system, byteCount: 640)
+        stats.recordFrame(source: .microphone, byteCount: 160)
+
+        XCTAssertEqual(stats.microphoneFrames, 2)
+        XCTAssertEqual(stats.microphoneBytes, 480)
+        XCTAssertEqual(stats.systemFrames, 1)
+        XCTAssertEqual(stats.systemBytes, 640)
+    }
+}